diff --git a/addons/base_import/static/src/js/import.js b/addons/base_import/static/src/js/import.js
index 407d38dacd7..510afaaead8 100644
--- a/addons/base_import/static/src/js/import.js
+++ b/addons/base_import/static/src/js/import.js
@@ -123,10 +123,10 @@ openerp.base_import = function (instance) {
                 this.exit();
             }
         },
-        init: function (parent, params) {
+        init: function (parent, action) {
             var self = this;
             this._super.apply(this, arguments);
-            this.res_model = params.model;
+            this.res_model = action.params.model;
             // import object id
             this.id = null;
             this.Import = new instance.web.Model('base_import.import');
diff --git a/addons/mail/static/src/js/mail.js b/addons/mail/static/src/js/mail.js
index 9133e5de257..bfda31119f2 100644
--- a/addons/mail/static/src/js/mail.js
+++ b/addons/mail/static/src/js/mail.js
@@ -1385,7 +1385,8 @@ openerp.mail = function (session) {
          *      When you use this option, the domain is not used for the fetch root.
          *     @param {String} [no_message] Message to display when there are no message
          */
-        init: function (parent, options) {
+        init: function (parent, action) {
+            var options = action.params || {};
             this._super(parent);
             this.domain = options.domain || [];
             this.context = options.context || {};
@@ -1513,7 +1514,7 @@ openerp.mail = function (session) {
                 this.root.destroy();
             }
             // create and render Thread widget
-            this.root = new mail.Widget(this, {
+            this.root = new mail.Widget(this, { params: {
                 'domain' : domain,
                 'context' : this.options.context,
                 'typeof_thread': this.options.context['typeof_thread'] || 'other',
@@ -1524,7 +1525,7 @@ openerp.mail = function (session) {
                 'message_ids': message_ids,
                 'show_compact_message': true,
                 'no_message': this.node.attrs.help
-                }
+                }}
             );
 
             return this.root.replace(this.$('.oe_mail-placeholder'));
@@ -1552,9 +1553,10 @@ openerp.mail = function (session) {
          * @param {Object} [options.context] context, is an object. It should
          *      contain default_model, default_res_id, to give it to the threads.
          */
-        init: function (parent, options) {
+        init: function (parent, action) {
             this._super(parent);
-            this.options = options || {};
+            var options = action.params || {};
+            this.options = options;
             this.options.domain = options.domain || [];
             this.options.context = options.context || {};
             this.search_results = {'domain': [], 'context': {}, 'groupby': {}}
@@ -1611,7 +1613,7 @@ openerp.mail = function (session) {
         message_render: function (search) {
             var domain = this.options.domain.concat(this.search_results['domain']);
             var context = _.extend(this.options.context, search&&search.search_results['context'] ? search.search_results['context'] : {});
-            this.root = new mail.Widget(this, {
+            this.root = new mail.Widget(this, { params: {
                 'domain' : domain,
                 'context' : context,
                 'typeof_thread': context['typeof_thread'] || 'other',
@@ -1620,7 +1622,7 @@ openerp.mail = function (session) {
                 'show_read_unread_button': 11,
                 'show_compose_message': true,
                 'show_compact_message': false,
-                }
+                }}
             );
 
             return this.root.replace(this.$('.oe_mail-placeholder'));